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we love WebRTC
because it is p2p
better security
lower latency
less hassle
lower cost
BS METERTHEY SAY P2P HAS:
90% BS
25%
75%
25%
CONFERE
RECORDING
TALKING TO PHONES
BROADCASTING
RECORD
QUICK CON
NAT TRAVER
THE MCUTHE SFU P2P ME
THE MCUTHE SFU P2P ME
MI
X
THE MCUTHE SFU P2P ME
MI
X
C
ALL ABOUT THE
PERF
A L L A B O U T
INTEROP
ALL ABOUT … NO
SURE
THE SFU
ALL ABOUT
THE PERF
20%
1000 video
streams550
Megabitshttps://jitsi.org/videobridge/
performance
WORK FOR A
MOBILE?
an MCU only
sends 1 stream
SFU needs tons of bandw
… from a participant perspec
ULD AN SFU EV
SIM &
SVC
in a
s i m u l c a
SVC: SCALABLE
SVC: SCALABLE
SVC: SCALABLE
SVC: SCALABLE
SVC: SCALABLE
SPACIAL
TEMPORA
simulcast in
chromeo=- 3407482598521328076 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE audio video data
...
m=audio 9 RTP/SAVPF 111 103 104 9 0 8 106 105 13 126
...
m=video 9 RTP/SAVPF 100 116 117 96
...
createOf
fer
simulcast in
chromeo=- 3407482598521328076 2 IN IP4 127.0.0.1
s=-
t=0 0
...
m=audio 9 RTP/SAVPF 111 103 104 9 0 8 106 105 13 126
...
m=video 9 RTP/SAVPF 100 116 117 96
a=ssrc-group:SIM 3535700627 3169665807 0902838992
a=ssrc:3535700627 cname:localCname
a=ssrc:3535700627 msid:DN4NQ 0a1622a6a67d
a=ssrc:3169665807 cname:localCname
a=ssrc:3169665807 msid:DN4NQ 0a1622a6a67d
a=ssrc:0902838992 cname:localCname
a=ssrc:0902838992 msid:DN4NQ 0a1622a6a67d
setLocalDes
cription
simulc
ast
simulcast:
raison d'être
360p
720p
1080p
ndpoint generated bandwidth estimations
draft-alvestrand-rmcat-congestaft-alvestrand-rmcat-remb
simulcast:
raison d'être
360p
720p
1080p
ndpoint generated bandwidth estimations
draft-alvestrand-rmcat-congestaft-alvestrand-rmcat-remb
1080p
simulcast:
raison d'être
360p
720p
1080p
ndpoint generated bandwidth estimations
draft-alvestrand-rmcat-congestaft-alvestrand-rmcat-remb
1080p
fiber or cable
simulcast:
raison d'être
360p
720p
1080p
ndpoint generated bandwidth estimations
draft-alvestrand-rmcat-congestaft-alvestrand-rmcat-remb
Wi-Fi
720p
simulcast:
raison d'être
360p
720p
1080p
ndpoint generated bandwidth estimations
draft-alvestrand-rmcat-congestaft-alvestrand-rmcat-remb
3g
360p
simulcast:
raison d'être
360p
720p
1080p
ndpoint generated bandwidth estimations
draft-alvestrand-rmcat-congestaft-alvestrand-rmcat-remb
3g
360p
fiber or cable
simulcast:
raison d'être
360p
720p
1080p
ndpoint generated bandwidth estimations
draft-alvestrand-rmcat-congestaft-alvestrand-rmcat-remb
3g
360p
Wi-Fi
simulcast:
raison d'être
360p
720p
ndpoint generated bandwidth estimations
draft-alvestrand-rmcat-congestaft-alvestrand-rmcat-remb
360p
3g
360p
3g
noyes no
noyes no
soonyes soon
How about the W3C and
IETF ?
(to be filled in on Thursday)
20%
CPU
1000 video
streams550
Megabit
s

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Kranky Geek WebRTC 2015 - Beyond P2P: Video routing in WebRTC